std::lock_guard

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std::lock_guard
Defined in header <mutex>

template< class Mutex >
class lock_guard;
 (since C++11)

The class lock_guard implements a strictly scope-based mutex ownership wrapper. The class is non-copyable. The supplied Mutex type shall implement the Lockable concept.

This section is incomplete

[edit] Member types

Member type Definition
mutex_type Mutex

[edit] Member functions

 constructs new lock_guard object and locks the given mutex
(public member function)
destructs the lock_guard object, unlocks the underlying mutex
(public member function)

[edit] Example

std::mutex m;
 
void do_something()
{
    std::lock_guard<std::mutex> lock(m);
    // the remaining function is thread-safe now
}
Retrieved from "http://en.cppreference.com/w/cpp/thread/lock_guard"
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